2023年07月最新のVMware 2V0-21.20問題集で更新された110問あります
PDF無料ダウンロードには2V0-21.20有効な練習テスト問題
質問 # 42
There are two vSphere clusters in a company environment. One cluster is hosting development workloads and another is hosting production workloads. Both vSphere clusters are managed by the same vCenter Server.
The application team would like to move a new virtual machine from the development to production cluster with no downtime.
Which feature would allow non-disruptive movement between these two clusters? (Choose the best answer.)
- A. vSphere vMotion
- B. Cross vCenter Migration
- C. vSphere Replication
- D. vSphere High Availability
正解：A
質問 # 43
An administrator wants to implement virtual machine encryption.
Which component encrypts the virtual machine files? (Choose the best answer.)
- A. Data encryption key (DEK)
- B. Certificate
- C. Key management server (KMS)
- D. Key encryption key (KEK)
正解：A
解説：
Reference:
https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/techpaper/vm-encryption-vsphere65- perf.pdf
質問 # 44
What is the server virtualization product that combines the ESXi hypervisor and the vCenter Server? (Choose the best answer.)
- A. vSphere
- B. NSX
- C. vRealize Operations Manager
- D. vSAN
正解：A
質問 # 45
An administrator is trying to configure vCenter Single Sign-On from the vSphere Client but does NOT have permission.
Which role is required in order to configure vCenter Single Sign-On?
- A. vCenter Administrator
- B. vCenter Single Sign-On Administrator
- C. vCenter Server Appliance Root
- D. vCenter Power User
正解：B
解説：
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.psc.doc/GUID-75D4E587-3F9B-4B50-96DA-D6DB6D1781D7.html
質問 # 46
What are two benefits of datacenter virtualization? (Choose two.)
- A. More efficient use of resources
- B. Same hardware footprint for every machine
- C. Less data to back up
- D. Less CPU power required for a given application
正解：A、B
質問 # 47
An IT department is decommissioning a storage array and tasks an administrator with removing a datastore from ESXi hosts.
What is a prerequisite for unmounting the datastore? (Choose the best answer.)
- A. The datastore does NOT contain powered-off virtual machines.
- B. The datastore is NOT being used by vSphere High Availability heartbeating.
- C. The datastore is NOT managed by Storage DRS.
- D. The datastore is NOT referenced by a host profile.
正解：C
質問 # 48
An administrator would like to make virtual machine templates and ISO images available to all vCenter Server instances in the data center. Which feature should the administrator use to achieve this goal?
- A. Storage policies
- B. Host profiles
- C. Resource pools
- D. Content libraries
正解：D
解説：
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vm_admin.doc/GUID-254B2CE8-20A8-43F0-90E8-3F6776C2C896.html
質問 # 49
An administrator is configuring ESXi host behavior before and during the remediation process.
Which remediation setting is supported only on select hardware platforms? (Choose the best answer.)
- A. Maintenance mode failures
- B. Quick Boot
- C. VM migration
- D. HA admission control
正解：B
解説：
Explanation/Reference: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere-lifecycle-manager.doc/ GUID-472964C3-70F3-4B83-8B1E-6C7CB4906DF8.html
質問 # 50
An administrator is tasked with upgrading an existing VMware vSphere 6.5 environment to version 7.0. There are existing VMFS3 and VMFS5 datastores in the environment.
Which two statements are true regarding this upgrade? (Choose two.)
- A. An ESXi 7.0 host can automatically upgrade a VMFS5 datastore.
- B. An ESXi 7.0 host will automatically upgrade a VMFS3 datastore when discovered.
- C. VMFS5 is no longer supported with ESXi 7.0.
- D. VMFS3 is no longer supported with ESXi 7.0.
- E. A VMFS3 datastore cannot be upgraded; a new VMFS6 datastore is required.
正解：B、D
解説：
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.storage.doc/GUID-DAD74662-E09E-44A4-82F1-DB7A3433CEF9.html
質問 # 51
Which TCP/IP stack can support management traffic, vSphere vMotion, IP storage and vSphere Fault Tolerance? (Choose the best answer.)
- A. vSphere vMotion TCP/IP stack
- B. Provisioning TCP/IP stack
- C. VXLAN TCP/IP stack
- D. Default TCP/IP stack
正解：D
解説：
Reference:
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.networking.doc/GUID-D4191320- 209E-4CB5-A709-C8741E713348.html
質問 # 52
Which local only host utility is used for primary, real-time performance monitoring in vSphere?
- A. resxtop
- B. top
- C. vSphere Command-Line Interface (CLI)
- D. esxCop
正解：D
解説：
https://searchvmware.techtarget.com/tip/VMware-vSpheres-built-in-performance-monitoring-tools
質問 # 53
Which feature can an administrator use for site availability with minimal effort and a low recovery point objective (RPO)? (Choose the best answer.)
- A. vSphere Replication
- B. vSphere Fault Tolerance
- C. vSphere High Availability
- D. vSphere vMotion
正解：A
質問 # 54
Which configuration could prevent an administrator from performing a vSphere vMotion migration?
- A. The ESXi hosts use IPv6 addresses.
- B. 1GbE adapters are in use for the vMotion network.
- C. CPU affinity is enabled on the VM.
- D. The VM has an RDM in virtual compatibility mode.
正解：C
解説：
https://kb.vmware.com/s/article/1003842
質問 # 55
An administrator is NOT able to enable ESXi secure boot.
What is a possible cause of this issue? (Choose the best answer.)
- A. The vCenter Server version is 7.0.
- B. The ESXi version is 7.0
- C. ESXi is using Trusted Platform Module version 1.2.
- D. ESXi is using Unified Extensible Firmware Interface (UEFI).
正解：C
質問 # 56
Which two vSphere features enable remote site availability? (Choose two.)
- A. Cross vCenter Migration
- B. vSphere Fault Tolerance
- C. vSphere Replication
- D. vSphere vMotion
- E. Proactive High Availability
正解：B、E
質問 # 57
An administrator is tasked with upgrading an existing vSphere environment to version 7.0. The current configuration is using an external Platform Services Controller. Which two statements are true regarding this upgrade? (Choose two.)
- A. The external Platform Services Controller needs to be upgraded after the vCenter Server Appliance.
- B. The external Platform Services Controller needs to be decommissioned following the deployment of the new vCenter Server Appliance.
- C. The external Platform Services Controller needs to be converged into an embedded vCenter Server Appliance.
- D. The external Platform Services Controller needs to be powered down while a new vCenter Server Appliance is deployed.
- E. The external Platform Services Controller backup can be restored to a new embedded vCenter Server Appliance.
正解：D、E
質問 # 58
Refer to the exhibit.
An administrator enables email notifications as shown in the attached alarm. However, notifications are NOT being sent.
Where must the mail server settings be configured to resolve this issue? (Choose the best answer.)
- A. In Administration settings in the vCenter Server Management Interface
- B. In the alarm rule definitions
- C. In vCenter Server General settings in the vSphere Client.
- D. In the ESXi host system config for the cluster node hosting the vCenter Server Appliance
正解：C
質問 # 59
An administrator receives an escalation to investigate a low disk space alarm on a datastore. The administrator discovers that a snapshot has been accidentally taken on a production, write-intensive database server. The snapshot has grown to nearly 1 TB in size in less than an hour and continues growing every second.
Which behavior should the administrator expect while deleting the snapshot?
- A. ESXi will instantly switch from the base disk to the snapshot delta disk with no performance impact.
- B. ESXi will create a virtual RAM disk to cache ongoing database write activity; performance impact will be limited.
- C. ESXi will commit the snapshot delta disk into the base disk; ongoing database write activity could result in long stun times.
- D. ESXi will merge the snapshot delta disk into the base disk; the virtual machine will be briefly stunned.
正解：A
質問 # 60
What is a minimum disk controller requirement for VMware vSAN? (Choose the best answer.)
- A. A disk controller in JBOD mode
- B. A disk controller in pass-through or RAID 0 mode
- C. A disk controller in pass-through or RAID 5 mode
- D. A disk controller in pass-through or RAID 1 mode
正解：B
解説：
Reference:
https://www.vembu.com/blog/vmware-vsan-configuration-setup/
質問 # 61
Refer to the exhibit.
What does the %RDY for the Win1 virtual machine indicate? (Choose the best answer.)
- A. Low CPU contention
- B. Low CPU usage
- C. High CPU wait time
- D. High CPU contention
正解：D
質問 # 62
Refer to the exhibit.
An administrator enables email notifications as shown in the attached alarm. However, notifications are NOT being sent.
Where must the mail server settings be configured to resolve this issue?
- A. In Administration settings in the vCenter Server Management Interface
- B. In the alarm rule definitions
- C. In vCenter Server General settings in the vSphere Client.
- D. In the ESXi host system config for the cluster node hosting the vCenter Server Appliance
正解：C
質問 # 63
Which step can an administrator take so that vSphere can access patch information if vCenter Server does NOT have Internet access?
- A. Install VMware vSphere Update Manager Download Service on a Linux server.
- B. Install VMware vSphere Update Manager Download Service on a Windows server.
- C. Use an offline ISO file to import patches to the vSphere Lifecycle Manager depot manually.
- D. Use a Web server on the vCenter Server machine to automate the transfer of files.
正解：A
質問 # 64
Which two storage technologies can an administrator use to deploy the Virtual Machine File System (VMFS)? (Choose two.)
- A. NFS storage
- B. vSAN storage
- C. iSCSI storage
- D. Virtual Volumes storage
- E. Fibre Channel storage
正解：C、E
解説：
Reference:
https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/techpaper/vmware-vmfs-tech-overview- white-paper.pdf VMFS can be deployed on three kinds of SCSI-based storage devices:
* Direct-attached storage
* Fibre Channel storage
* iSCSI storage
質問 # 65
Which tool is used to monitor the free space in the vCenter Server database?
- A. df
- B. esxtop
- C. vimtop
- D. vmstat
正解：A
解説：
Explanation/Reference: https://kb.vmware.com/s/article/76563
質問 # 66
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